php man page for grapheme_strlen

GRAPHEME_STRLEN(3)							 1							GRAPHEME_STRLEN(3)

grapheme_strlen - Get string length in grapheme units

       Procedural style

SYNOPSIS
       int grapheme_strlen (string  $input)

DESCRIPTION
	Get string length in grapheme units (not bytes or characters)

PARAMETERS
	      o $input
		- The string being measured for length. It must be a valid UTF-8 string.

RETURN VALUES
	The length of the string on success, and 0 if the string is empty.

EXAMPLES
       Example #1

	      grapheme_strlen(3) example

	      <?php

	      $char_a_ring_nfd = "axCCx8A";  // 'LATIN SMALL LETTER A WITH RING ABOVE' (U+00E5) normalization form "D"
	      $char_o_diaeresis_nfd = "oxCCx88"; // 'LATIN SMALL LETTER O WITH DIAERESIS' (U+00F6) normalization form "D"

	      print grapheme_strlen( 'abc' . $char_a_ring_nfd . $char_o_diaeresis_nfd . $char_a_ring_nfd);

	      ?>

       The above example will output:

       6

SEE ALSO
	Unicode Text Segmentation: Grapheme Cluster Boundaries , iconv_strlen(3), mb_strlen(3), strlen(3).

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